<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="患者表手机号" prop="patientPhone">
        <el-input
          v-model="queryParams.patientPhone"
          placeholder="请输入患者表手机号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:authorization:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:authorization:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:authorization:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:authorization:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="authorizationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="患者手机号" align="center" prop="patientPhone" />
      <el-table-column label="患者姓名" align="center" prop="patientName" :formatter="formatPatientName" />
      <el-table-column label="科室" align="center" prop="departmentName" :formatter="formatDepartmentName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:authorization:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:authorization:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改患者可下拉选择并添加/删除对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="患者" prop="patientPhone">
          <el-select 
            v-model="form.patientPhone" 
            placeholder="请选择患者"
            :disabled="title.includes('修改')"
          >
            <el-option
              v-for="patient in patientOptions"
              :key="patient.phoneNumber"
              :label="`${patient.name} (${patient.phoneNumber})`"
              :value="patient.phoneNumber"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="科室" prop="departmentId">
          <el-select v-model="form.departmentId" placeholder="请选择科室">
            <el-option
              v-for="dept in departmentOptions"
              :key="dept.id"
              :label="dept.name"
              :value="dept.id"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listAuthorization, getAuthorization, delAuthorization, addAuthorization, updateAuthorization, listDepartments, listPatients } from "@/api/system/authorization";

export default {
  name: "Authorization",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 患者可下拉选择并添加/删除表格数据
      authorizationList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        patientPhone: null,
        departmentId: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        patientPhone: [
          { required: true, message: "患者表手机号不能为空", trigger: "blur" }
        ],
        departmentId: [
          { required: true, message: "科室不能为空", trigger: "change" }
        ]
      },
      // 科室选项
      departmentOptions: [],
      // 患者选项
      patientOptions: [],
    };
  },
  created() {
    // 页面加载时获取所有必要数据
    Promise.all([
      listDepartments(),
      listPatients()
    ]).then(([deptRes, patientRes]) => {
      this.departmentOptions = deptRes.rows;
      this.patientOptions = patientRes.rows;
      this.getList();
    });
  },
  methods: {
    /** 查询患者可下拉选择并添加/删除列表 */
    getList() {
      this.loading = true;
      listAuthorization(this.queryParams).then(response => {
        this.authorizationList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        patientPhone: null,
        departmentId: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.patientPhone)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      Promise.all([
        listDepartments(),
        listPatients(),
        listAuthorization({ pageSize: 999 }) // 获取所有已分配的记录
      ]).then(([deptRes, patientRes, authRes]) => {
        this.departmentOptions = deptRes.rows;
        
        // 获取所有已分配科室的患者手机号
        const assignedPhones = authRes.rows.map(item => item.patientPhone);
        
        // 过滤掉已分配科室的患者
        this.patientOptions = patientRes.rows.filter(patient => 
          !assignedPhones.includes(patient.phoneNumber)
        );
        
        this.open = true;
        this.title = "添加患者可下拉选择并添加/删除";
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const patientPhone = row.patientPhone || this.ids
      getAuthorization(patientPhone).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改患者可下拉选择并添加/删除";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.title.includes("修改")) {
            updateAuthorization(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addAuthorization(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const patientPhones = row.patientPhone || this.ids;
      this.$modal.confirm('是否确认删除患者可下拉选择并添加/删除编号为"' + patientPhones + '"的数据项？').then(function() {
        return delAuthorization(patientPhones);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/authorization/export', {
        ...this.queryParams
      }, `authorization_${new Date().getTime()}.xlsx`)
    },
    // 格式化患者名称
    formatPatientName(row) {
      const patient = this.patientOptions.find(p => p.phoneNumber === row.patientPhone);
      return patient ? patient.name : row.patientPhone;
    },
    // 格式化科室名称
    formatDepartmentName(row) {
      const dept = this.departmentOptions.find(d => d.id === row.departmentId);
      return dept ? dept.name : row.departmentId;
    },
  }
};
</script>
